static int nrpacks = 8; /* max. number of packets per urb */
static int async_unlink = 1;
static int device_setup[SNDRV_CARDS]; /* device parameter for this card*/
+static int ignore_ctl_error;
module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "Index value for the USB audio adapter.");
MODULE_PARM_DESC(async_unlink, "Use async unlink mode.");
module_param_array(device_setup, int, NULL, 0444);
MODULE_PARM_DESC(device_setup, "Specific device setup (if needed).");
-
+module_param(ignore_ctl_error, bool, 0444);
+MODULE_PARM_DESC(ignore_ctl_error,
+ "Ignore errors from USB controller for mixer interfaces.");
/*
* debug the h/w constraints
#define MAX_PACKS_HS (MAX_PACKS * 8) /* in high speed mode */
#define MAX_URBS 8
#define SYNC_URBS 4 /* always four urbs for sync */
-#define MIN_PACKS_URB 1 /* minimum 1 packet per urb */
+#define MAX_QUEUE 24 /* try not to exceed this queue length, in ms */
struct audioformat {
struct list_head list;
unsigned char attributes; /* corresponding attributes of cs endpoint */
unsigned char endpoint; /* endpoint */
unsigned char ep_attr; /* endpoint attributes */
+ unsigned char datainterval; /* log_2 of data packet interval */
unsigned int maxpacksize; /* max. packet size */
unsigned int rates; /* rate bitmasks */
unsigned int rate_min, rate_max; /* min/max rates */
unsigned int curframesize; /* current packet size in frames (for capture) */
unsigned int fill_max: 1; /* fill max packet size always */
unsigned int fmt_type; /* USB audio format type (1-3) */
- unsigned int packs_per_ms; /* packets per millisecond (for playback) */
unsigned int running: 1; /* running status */
}
/*
- * process after E-Mu 0202/0404 high speed playback sync complete
+ * process after E-Mu 0202/0404/Tracker Pre high speed playback sync complete
*
* These devices return the number of samples per packet instead of the number
* of samples per microframe.
/*
* Prepare urb for streaming before playback starts or when paused.
*
- * We don't have any data, so we send a frame of silence.
+ * We don't have any data, so we send silence.
*/
static int prepare_nodata_playback_urb(struct snd_usb_substream *subs,
struct snd_pcm_runtime *runtime,
offs = 0;
urb->dev = ctx->subs->dev;
- urb->number_of_packets = subs->packs_per_ms;
- for (i = 0; i < subs->packs_per_ms; ++i) {
+ for (i = 0; i < ctx->packets; ++i) {
counts = snd_usb_audio_next_packet_size(subs);
urb->iso_frame_desc[i].offset = offs * stride;
urb->iso_frame_desc[i].length = counts * stride;
offs += counts;
}
+ urb->number_of_packets = ctx->packets;
urb->transfer_buffer_length = offs * stride;
memset(urb->transfer_buffer,
subs->cur_audiofmt->format == SNDRV_PCM_FORMAT_U8 ? 0x80 : 0,
break;
}
}
- /* finish at the frame boundary at/after the period boundary */
- if (period_elapsed &&
- (i & (subs->packs_per_ms - 1)) == subs->packs_per_ms - 1)
+ if (period_elapsed) /* finish at the period boundary */
break;
}
if (subs->hwptr_done + offs > runtime->buffer_size) {
subs->hwptr_done += offs;
if (subs->hwptr_done >= runtime->buffer_size)
subs->hwptr_done -= runtime->buffer_size;
+ runtime->delay += offs;
spin_unlock_irqrestore(&subs->lock, flags);
urb->transfer_buffer_length = offs * stride;
if (period_elapsed)
/*
* process after playback data complete
- * - nothing to do
+ * - decrease the delay count again
*/
static int retire_playback_urb(struct snd_usb_substream *subs,
struct snd_pcm_runtime *runtime,
struct urb *urb)
{
+ unsigned long flags;
+ int stride = runtime->frame_bits >> 3;
+ int processed = urb->transfer_buffer_length / stride;
+
+ spin_lock_irqsave(&subs->lock, flags);
+ if (processed > runtime->delay)
+ runtime->delay = 0;
+ else
+ runtime->delay -= processed;
+ spin_unlock_irqrestore(&subs->lock, flags);
return 0;
}
return "device disabled";
case -EHOSTUNREACH:
return "device suspended";
-#ifndef CONFIG_USB_EHCI_SPLIT_ISO
- case -ENOSYS:
- return "enable CONFIG_USB_EHCI_SPLIT_ISO to play through a hub";
-#endif
case -EINVAL:
case -EAGAIN:
case -EFBIG:
return -EBADFD;
for (i = 0; i < subs->nurbs; i++) {
- snd_assert(subs->dataurb[i].urb, return -EINVAL);
+ if (snd_BUG_ON(!subs->dataurb[i].urb))
+ return -EINVAL;
if (subs->ops.prepare(subs, runtime, subs->dataurb[i].urb) < 0) {
snd_printk(KERN_ERR "cannot prepare datapipe for urb %d\n", i);
goto __error;
}
if (subs->syncpipe) {
for (i = 0; i < SYNC_URBS; i++) {
- snd_assert(subs->syncurb[i].urb, return -EINVAL);
+ if (snd_BUG_ON(!subs->syncurb[i].urb))
+ return -EINVAL;
if (subs->ops.prepare_sync(subs, runtime, subs->syncurb[i].urb) < 0) {
snd_printk(KERN_ERR "cannot prepare syncpipe for urb %d\n", i);
goto __error;
static int init_substream_urbs(struct snd_usb_substream *subs, unsigned int period_bytes,
unsigned int rate, unsigned int frame_bits)
{
- unsigned int maxsize, n, i;
+ unsigned int maxsize, i;
int is_playback = subs->direction == SNDRV_PCM_STREAM_PLAYBACK;
- unsigned int npacks[MAX_URBS], urb_packs, total_packs, packs_per_ms;
+ unsigned int urb_packs, total_packs, packs_per_ms;
/* calculate the frequency in 16.16 format */
if (snd_usb_get_speed(subs->dev) == USB_SPEED_FULL)
packs_per_ms = 8 >> subs->datainterval;
else
packs_per_ms = 1;
- subs->packs_per_ms = packs_per_ms;
if (is_playback) {
- urb_packs = nrpacks;
- urb_packs = max(urb_packs, (unsigned int)MIN_PACKS_URB);
+ urb_packs = max(nrpacks, 1);
urb_packs = min(urb_packs, (unsigned int)MAX_PACKS);
} else
urb_packs = 1;
urb_packs *= packs_per_ms;
+ if (subs->syncpipe)
+ urb_packs = min(urb_packs, 1 << subs->syncinterval);
/* decide how many packets to be used */
if (is_playback) {
- unsigned int minsize;
+ unsigned int minsize, maxpacks;
/* determine how small a packet can be */
minsize = (subs->freqn >> (16 - subs->datainterval))
* (frame_bits >> 3);
minsize -= minsize >> 3;
minsize = max(minsize, 1u);
total_packs = (period_bytes + minsize - 1) / minsize;
- /* round up to multiple of packs_per_ms */
- total_packs = (total_packs + packs_per_ms - 1)
- & ~(packs_per_ms - 1);
/* we need at least two URBs for queueing */
- if (total_packs < 2 * MIN_PACKS_URB * packs_per_ms)
- total_packs = 2 * MIN_PACKS_URB * packs_per_ms;
+ if (total_packs < 2) {
+ total_packs = 2;
+ } else {
+ /* and we don't want too long a queue either */
+ maxpacks = max(MAX_QUEUE * packs_per_ms, urb_packs * 2);
+ total_packs = min(total_packs, maxpacks);
+ }
} else {
+ while (urb_packs > 1 && urb_packs * maxsize >= period_bytes)
+ urb_packs >>= 1;
total_packs = MAX_URBS * urb_packs;
}
subs->nurbs = (total_packs + urb_packs - 1) / urb_packs;
/* too much... */
subs->nurbs = MAX_URBS;
total_packs = MAX_URBS * urb_packs;
- }
- n = total_packs;
- for (i = 0; i < subs->nurbs; i++) {
- npacks[i] = n > urb_packs ? urb_packs : n;
- n -= urb_packs;
- }
- if (subs->nurbs <= 1) {
+ } else if (subs->nurbs < 2) {
/* too little - we need at least two packets
* to ensure contiguous playback/capture
*/
subs->nurbs = 2;
- npacks[0] = (total_packs + 1) / 2;
- npacks[1] = total_packs - npacks[0];
- } else if (npacks[subs->nurbs-1] < MIN_PACKS_URB * packs_per_ms) {
- /* the last packet is too small.. */
- if (subs->nurbs > 2) {
- /* merge to the first one */
- npacks[0] += npacks[subs->nurbs - 1];
- subs->nurbs--;
- } else {
- /* divide to two */
- subs->nurbs = 2;
- npacks[0] = (total_packs + 1) / 2;
- npacks[1] = total_packs - npacks[0];
- }
}
/* allocate and initialize data urbs */
struct snd_urb_ctx *u = &subs->dataurb[i];
u->index = i;
u->subs = subs;
- u->packets = npacks[i];
+ u->packets = (i + 1) * total_packs / subs->nurbs
+ - i * total_packs / subs->nurbs;
u->buffer_size = maxsize * u->packets;
if (subs->fmt_type == USB_FORMAT_TYPE_II)
u->packets++; /* for transfer delimiter */
if ((err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), SET_CUR,
USB_TYPE_CLASS|USB_RECIP_ENDPOINT|USB_DIR_OUT,
SAMPLING_FREQ_CONTROL << 8, ep, data, 3, 1000)) < 0) {
- snd_printk(KERN_ERR "%d:%d:%d: cannot set freq %d to ep 0x%x\n",
+ snd_printk(KERN_ERR "%d:%d:%d: cannot set freq %d to ep %#x\n",
dev->devnum, iface, fmt->altsetting, rate, ep);
return err;
}
if ((err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), GET_CUR,
USB_TYPE_CLASS|USB_RECIP_ENDPOINT|USB_DIR_IN,
SAMPLING_FREQ_CONTROL << 8, ep, data, 3, 1000)) < 0) {
- snd_printk(KERN_WARNING "%d:%d:%d: cannot get freq at ep 0x%x\n",
+ snd_printk(KERN_WARNING "%d:%d:%d: cannot get freq at ep %#x\n",
dev->devnum, iface, fmt->altsetting, ep);
return 0; /* some devices don't support reading */
}
int err;
iface = usb_ifnum_to_if(dev, fmt->iface);
- snd_assert(iface, return -EINVAL);
+ if (WARN_ON(!iface))
+ return -EINVAL;
alts = &iface->altsetting[fmt->altset_idx];
altsd = get_iface_desc(alts);
- snd_assert(altsd->bAlternateSetting == fmt->altsetting, return -EINVAL);
+ if (WARN_ON(altsd->bAlternateSetting != fmt->altsetting))
+ return -EINVAL;
if (fmt == subs->cur_audiofmt)
return 0;
subs->datapipe = usb_sndisocpipe(dev, ep);
else
subs->datapipe = usb_rcvisocpipe(dev, ep);
- if (snd_usb_get_speed(subs->dev) == USB_SPEED_HIGH &&
- get_endpoint(alts, 0)->bInterval >= 1 &&
- get_endpoint(alts, 0)->bInterval <= 4)
- subs->datainterval = get_endpoint(alts, 0)->bInterval - 1;
- else
- subs->datainterval = 0;
+ subs->datainterval = fmt->datainterval;
subs->syncpipe = subs->syncinterval = 0;
subs->maxpacksize = fmt->maxpacksize;
subs->fill_max = 0;
subs->cur_audiofmt = fmt;
#if 0
- printk("setting done: format = %d, rate = %d..%d, channels = %d\n",
+ printk(KERN_DEBUG
+ "setting done: format = %d, rate = %d..%d, channels = %d\n",
fmt->format, fmt->rate_min, fmt->rate_max, fmt->channels);
- printk(" datapipe = 0x%0x, syncpipe = 0x%0x\n",
+ printk(KERN_DEBUG
+ " datapipe = 0x%0x, syncpipe = 0x%0x\n",
subs->datapipe, subs->syncpipe);
#endif
channels = params_channels(hw_params);
fmt = find_format(subs, format, rate, channels);
if (!fmt) {
- snd_printd(KERN_DEBUG "cannot set format: format = 0x%x, rate = %d, channels = %d\n",
+ snd_printd(KERN_DEBUG "cannot set format: format = %#x, rate = %d, channels = %d\n",
format, rate, channels);
return -EINVAL;
}
subs->hwptr_done = 0;
subs->transfer_done = 0;
subs->phase = 0;
+ runtime->delay = 0;
/* clear urbs (to be sure) */
deactivate_urbs(subs, 0, 1);
#define hwc_debug(fmt, args...) /**/
#endif
-static int hw_check_valid_format(struct snd_pcm_hw_params *params, struct audioformat *fp)
+static int hw_check_valid_format(struct snd_usb_substream *subs,
+ struct snd_pcm_hw_params *params,
+ struct audioformat *fp)
{
struct snd_interval *it = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);
struct snd_interval *ct = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
struct snd_mask *fmts = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
+ struct snd_interval *pt = hw_param_interval(params, SNDRV_PCM_HW_PARAM_PERIOD_TIME);
+ unsigned int ptime;
/* check the format */
if (!snd_mask_test(fmts, fp->format)) {
hwc_debug(" > check: rate_max %d < min %d\n", fp->rate_max, it->min);
return 0;
}
+ /* check whether the period time is >= the data packet interval */
+ if (snd_usb_get_speed(subs->dev) == USB_SPEED_HIGH) {
+ ptime = 125 * (1 << fp->datainterval);
+ if (ptime > pt->max || (ptime == pt->max && pt->openmax)) {
+ hwc_debug(" > check: ptime %u > max %u\n", ptime, pt->max);
+ return 0;
+ }
+ }
return 1;
}
list_for_each(p, &subs->fmt_list) {
struct audioformat *fp;
fp = list_entry(p, struct audioformat, list);
- if (!hw_check_valid_format(params, fp))
+ if (!hw_check_valid_format(subs, params, fp))
continue;
if (changed++) {
if (rmin > fp->rate_min)
list_for_each(p, &subs->fmt_list) {
struct audioformat *fp;
fp = list_entry(p, struct audioformat, list);
- if (!hw_check_valid_format(params, fp))
+ if (!hw_check_valid_format(subs, params, fp))
continue;
if (changed++) {
if (rmin > fp->channels)
list_for_each(p, &subs->fmt_list) {
struct audioformat *fp;
fp = list_entry(p, struct audioformat, list);
- if (!hw_check_valid_format(params, fp))
+ if (!hw_check_valid_format(subs, params, fp))
continue;
fbits |= (1ULL << fp->format);
}
return changed;
}
-#define MAX_MASK 64
-
-/*
- * check whether the registered audio formats need special hw-constraints
- */
-static int check_hw_params_convention(struct snd_usb_substream *subs)
+static int hw_rule_period_time(struct snd_pcm_hw_params *params,
+ struct snd_pcm_hw_rule *rule)
{
- int i;
- u32 *channels;
- u32 *rates;
- u32 cmaster, rmaster;
- u32 rate_min = 0, rate_max = 0;
- struct list_head *p;
- int err = 1;
-
- channels = kcalloc(MAX_MASK, sizeof(u32), GFP_KERNEL);
- rates = kcalloc(MAX_MASK, sizeof(u32), GFP_KERNEL);
- if (!channels || !rates) {
- err = -ENOMEM;
- goto __out;
- }
+ struct snd_usb_substream *subs = rule->private;
+ struct audioformat *fp;
+ struct snd_interval *it;
+ unsigned char min_datainterval;
+ unsigned int pmin;
+ int changed;
- list_for_each(p, &subs->fmt_list) {
- struct audioformat *f;
- f = list_entry(p, struct audioformat, list);
- /* unconventional channels? */
- if (f->channels > 32)
- goto __out;
- /* continuous rate min/max matches? */
- if (f->rates & SNDRV_PCM_RATE_CONTINUOUS) {
- if (rate_min && f->rate_min != rate_min)
- goto __out;
- if (rate_max && f->rate_max != rate_max)
- goto __out;
- rate_min = f->rate_min;
- rate_max = f->rate_max;
- }
- /* combination of continuous rates and fixed rates? */
- if (rates[f->format] & SNDRV_PCM_RATE_CONTINUOUS) {
- if (f->rates != rates[f->format])
- goto __out;
- }
- if (f->rates & SNDRV_PCM_RATE_CONTINUOUS) {
- if (rates[f->format] && rates[f->format] != f->rates)
- goto __out;
- }
- channels[f->format] |= (1 << f->channels);
- rates[f->format] |= f->rates;
- /* needs knot? */
- if (f->rates & SNDRV_PCM_RATE_KNOT)
- goto __out;
- }
- /* check whether channels and rates match for all formats */
- cmaster = rmaster = 0;
- for (i = 0; i < MAX_MASK; i++) {
- if (cmaster != channels[i] && cmaster && channels[i])
- goto __out;
- if (rmaster != rates[i] && rmaster && rates[i])
- goto __out;
- if (channels[i])
- cmaster = channels[i];
- if (rates[i])
- rmaster = rates[i];
- }
- /* check whether channels match for all distinct rates */
- memset(channels, 0, MAX_MASK * sizeof(u32));
- list_for_each(p, &subs->fmt_list) {
- struct audioformat *f;
- f = list_entry(p, struct audioformat, list);
- if (f->rates & SNDRV_PCM_RATE_CONTINUOUS)
+ it = hw_param_interval(params, SNDRV_PCM_HW_PARAM_PERIOD_TIME);
+ hwc_debug("hw_rule_period_time: (%u,%u)\n", it->min, it->max);
+ min_datainterval = 0xff;
+ list_for_each_entry(fp, &subs->fmt_list, list) {
+ if (!hw_check_valid_format(subs, params, fp))
continue;
- for (i = 0; i < 32; i++) {
- if (f->rates & (1 << i))
- channels[i] |= (1 << f->channels);
- }
+ min_datainterval = min(min_datainterval, fp->datainterval);
}
- cmaster = 0;
- for (i = 0; i < 32; i++) {
- if (cmaster != channels[i] && cmaster && channels[i])
- goto __out;
- if (channels[i])
- cmaster = channels[i];
+ if (min_datainterval == 0xff) {
+ hwc_debug(" --> get emtpy\n");
+ it->empty = 1;
+ return -EINVAL;
}
- err = 0;
-
- __out:
- kfree(channels);
- kfree(rates);
- return err;
+ pmin = 125 * (1 << min_datainterval);
+ changed = 0;
+ if (it->min < pmin) {
+ it->min = pmin;
+ it->openmin = 0;
+ changed = 1;
+ }
+ if (snd_interval_checkempty(it)) {
+ it->empty = 1;
+ return -EINVAL;
+ }
+ hwc_debug(" --> (%u,%u) (changed = %d)\n", it->min, it->max, changed);
+ return changed;
}
/*
static int setup_hw_info(struct snd_pcm_runtime *runtime, struct snd_usb_substream *subs)
{
struct list_head *p;
+ unsigned int pt, ptmin;
+ int param_period_time_if_needed;
int err;
runtime->hw.formats = subs->formats;
runtime->hw.channels_min = 256;
runtime->hw.channels_max = 0;
runtime->hw.rates = 0;
+ ptmin = UINT_MAX;
/* check min/max rates and channels */
list_for_each(p, &subs->fmt_list) {
struct audioformat *fp;
runtime->hw.period_bytes_min = runtime->hw.period_bytes_max =
fp->frame_size;
}
+ pt = 125 * (1 << fp->datainterval);
+ ptmin = min(ptmin, pt);
}
- /* set the period time minimum 1ms */
- /* FIXME: high-speed mode allows 125us minimum period, but many parts
- * in the current code assume the 1ms period.
- */
+ param_period_time_if_needed = SNDRV_PCM_HW_PARAM_PERIOD_TIME;
+ if (snd_usb_get_speed(subs->dev) != USB_SPEED_HIGH)
+ /* full speed devices have fixed data packet interval */
+ ptmin = 1000;
+ if (ptmin == 1000)
+ /* if period time doesn't go below 1 ms, no rules needed */
+ param_period_time_if_needed = -1;
snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_TIME,
- 1000 * MIN_PACKS_URB,
- /*(nrpacks * MAX_URBS) * 1000*/ UINT_MAX);
-
- err = check_hw_params_convention(subs);
- if (err < 0)
+ ptmin, UINT_MAX);
+
+ if ((err = snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
+ hw_rule_rate, subs,
+ SNDRV_PCM_HW_PARAM_FORMAT,
+ SNDRV_PCM_HW_PARAM_CHANNELS,
+ param_period_time_if_needed,
+ -1)) < 0)
return err;
- else if (err) {
- hwc_debug("setting extra hw constraints...\n");
- if ((err = snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
- hw_rule_rate, subs,
- SNDRV_PCM_HW_PARAM_FORMAT,
- SNDRV_PCM_HW_PARAM_CHANNELS,
- -1)) < 0)
- return err;
- if ((err = snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
- hw_rule_channels, subs,
- SNDRV_PCM_HW_PARAM_FORMAT,
- SNDRV_PCM_HW_PARAM_RATE,
- -1)) < 0)
- return err;
- if ((err = snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_FORMAT,
- hw_rule_format, subs,
- SNDRV_PCM_HW_PARAM_RATE,
- SNDRV_PCM_HW_PARAM_CHANNELS,
- -1)) < 0)
- return err;
- if ((err = snd_usb_pcm_check_knot(runtime, subs)) < 0)
+ if ((err = snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
+ hw_rule_channels, subs,
+ SNDRV_PCM_HW_PARAM_FORMAT,
+ SNDRV_PCM_HW_PARAM_RATE,
+ param_period_time_if_needed,
+ -1)) < 0)
+ return err;
+ if ((err = snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_FORMAT,
+ hw_rule_format, subs,
+ SNDRV_PCM_HW_PARAM_RATE,
+ SNDRV_PCM_HW_PARAM_CHANNELS,
+ param_period_time_if_needed,
+ -1)) < 0)
+ return err;
+ if (param_period_time_if_needed >= 0) {
+ err = snd_pcm_hw_rule_add(runtime, 0,
+ SNDRV_PCM_HW_PARAM_PERIOD_TIME,
+ hw_rule_period_time, subs,
+ SNDRV_PCM_HW_PARAM_FORMAT,
+ SNDRV_PCM_HW_PARAM_CHANNELS,
+ SNDRV_PCM_HW_PARAM_RATE,
+ -1);
+ if (err < 0)
return err;
}
+ if ((err = snd_usb_pcm_check_knot(runtime, subs)) < 0)
+ return err;
return 0;
}
fp = list_entry(p, struct audioformat, list);
snd_iprintf(buffer, " Interface %d\n", fp->iface);
snd_iprintf(buffer, " Altset %d\n", fp->altsetting);
- snd_iprintf(buffer, " Format: 0x%x\n", fp->format);
+ snd_iprintf(buffer, " Format: %#x (%d bits)\n",
+ fp->format, snd_pcm_format_width(fp->format));
snd_iprintf(buffer, " Channels: %d\n", fp->channels);
snd_iprintf(buffer, " Endpoint: %d %s (%s)\n",
fp->endpoint & USB_ENDPOINT_NUMBER_MASK,
}
snd_iprintf(buffer, "\n");
}
+ if (snd_usb_get_speed(subs->dev) == USB_SPEED_HIGH)
+ snd_iprintf(buffer, " Data packet interval: %d us\n",
+ 125 * (1 << fp->datainterval));
// snd_iprintf(buffer, " Max Packet Size = %d\n", fp->maxpacksize);
- // snd_iprintf(buffer, " EP Attribute = 0x%x\n", fp->attributes);
+ // snd_iprintf(buffer, " EP Attribute = %#x\n", fp->attributes);
}
}
switch (as->chip->usb_id) {
case USB_ID(0x041e, 0x3f02): /* E-Mu 0202 USB */
case USB_ID(0x041e, 0x3f04): /* E-Mu 0404 USB */
+ case USB_ID(0x041e, 0x3f0a): /* E-Mu Tracker Pre */
subs->ops.retire_sync = retire_playback_sync_urb_hs_emu;
break;
}
* build the rate table and bitmap flags
*/
int r, idx;
- unsigned int nonzero_rates = 0;
fp->rate_table = kmalloc(sizeof(int) * nr_rates, GFP_KERNEL);
if (fp->rate_table == NULL) {
return -1;
}
- fp->nr_rates = nr_rates;
- fp->rate_min = fp->rate_max = combine_triple(&fmt[8]);
+ fp->nr_rates = 0;
+ fp->rate_min = fp->rate_max = 0;
for (r = 0, idx = offset + 1; r < nr_rates; r++, idx += 3) {
unsigned int rate = combine_triple(&fmt[idx]);
+ if (!rate)
+ continue;
/* C-Media CM6501 mislabels its 96 kHz altsetting */
if (rate == 48000 && nr_rates == 1 &&
- chip->usb_id == USB_ID(0x0d8c, 0x0201) &&
+ (chip->usb_id == USB_ID(0x0d8c, 0x0201) ||
+ chip->usb_id == USB_ID(0x0d8c, 0x0102)) &&
fp->altsetting == 5 && fp->maxpacksize == 392)
rate = 96000;
- fp->rate_table[r] = rate;
- nonzero_rates |= rate;
- if (rate < fp->rate_min)
+ fp->rate_table[fp->nr_rates] = rate;
+ if (!fp->rate_min || rate < fp->rate_min)
fp->rate_min = rate;
- else if (rate > fp->rate_max)
+ if (!fp->rate_max || rate > fp->rate_max)
fp->rate_max = rate;
fp->rates |= snd_pcm_rate_to_rate_bit(rate);
+ fp->nr_rates++;
}
- if (!nonzero_rates) {
+ if (!fp->nr_rates) {
hwc_debug("All rates were zero. Skipping format!\n");
return -1;
}
fp->format = SNDRV_PCM_FORMAT_MPEG;
break;
default:
- snd_printd(KERN_INFO "%d:%u:%d : unknown format tag 0x%x is detected. processed as MPEG.\n",
+ snd_printd(KERN_INFO "%d:%u:%d : unknown format tag %#x is detected. processed as MPEG.\n",
chip->dev->devnum, fp->iface, fp->altsetting, format);
fp->format = SNDRV_PCM_FORMAT_MPEG;
break;
return 0;
}
+static unsigned char parse_datainterval(struct snd_usb_audio *chip,
+ struct usb_host_interface *alts)
+{
+ if (snd_usb_get_speed(chip->dev) == USB_SPEED_HIGH &&
+ get_endpoint(alts, 0)->bInterval >= 1 &&
+ get_endpoint(alts, 0)->bInterval <= 4)
+ return get_endpoint(alts, 0)->bInterval - 1;
+ else
+ return 0;
+}
+
static int audiophile_skip_setting_quirk(struct snd_usb_audio *chip,
int iface, int altno);
static int parse_audio_endpoints(struct snd_usb_audio *chip, int iface_no)
struct usb_interface_descriptor *altsd;
int i, altno, err, stream;
int format;
- struct audioformat *fp;
+ struct audioformat *fp = NULL;
unsigned char *fmt, *csep;
int num;
continue;
}
+ /*
+ * Blue Microphones workaround: The last altsetting is identical
+ * with the previous one, except for a larger packet size, but
+ * is actually a mislabeled two-channel setting; ignore it.
+ */
+ if (fmt[4] == 1 && fmt[5] == 2 && altno == 2 && num == 3 &&
+ fp && fp->altsetting == 1 && fp->channels == 1 &&
+ fp->format == SNDRV_PCM_FORMAT_S16_LE &&
+ le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize) ==
+ fp->maxpacksize * 2)
+ continue;
+
csep = snd_usb_find_desc(alts->endpoint[0].extra, alts->endpoint[0].extralen, NULL, USB_DT_CS_ENDPOINT);
/* Creamware Noah has this descriptor after the 2nd endpoint */
if (!csep && altsd->bNumEndpoints >= 2)
fp->altset_idx = i;
fp->endpoint = get_endpoint(alts, 0)->bEndpointAddress;
fp->ep_attr = get_endpoint(alts, 0)->bmAttributes;
+ fp->datainterval = parse_datainterval(chip, alts);
fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize);
if (snd_usb_get_speed(dev) == USB_SPEED_HIGH)
fp->maxpacksize = (((fp->maxpacksize >> 11) & 3) + 1)
continue;
}
- snd_printdd(KERN_INFO "%d:%u:%d: add audio endpoint 0x%x\n", dev->devnum, iface_no, altno, fp->endpoint);
+ snd_printdd(KERN_INFO "%d:%u:%d: add audio endpoint %#x\n", dev->devnum, iface_no, altno, fp->endpoint);
err = add_audio_endpoint(chip, stream, fp);
if (err < 0) {
kfree(fp->rate_table);
return -EINVAL;
}
alts = &iface->altsetting[fp->altset_idx];
+ fp->datainterval = parse_datainterval(chip, alts);
+ fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize);
usb_set_interface(chip->dev, fp->iface, 0);
init_usb_pitch(chip->dev, fp->iface, alts, fp);
init_usb_sample_rate(chip->dev, fp->iface, alts, fp, fp->rate_max);
}
/*
- * Create a stream for an Edirol UA-700/UA-25 interface. The only way
- * to detect the sample rate is by looking at wMaxPacketSize.
+ * Create a stream for an Edirol UA-700/UA-25/UA-4FX interface.
+ * The only way to detect the sample rate is by looking at wMaxPacketSize.
*/
-static int create_ua700_ua25_quirk(struct snd_usb_audio *chip,
- struct usb_interface *iface,
- const struct snd_usb_audio_quirk *quirk)
+static int create_uaxx_quirk(struct snd_usb_audio *chip,
+ struct usb_interface *iface,
+ const struct snd_usb_audio_quirk *quirk)
{
static const struct audioformat ua_format = {
.format = SNDRV_PCM_FORMAT_S24_3LE,
struct audioformat *fp;
int stream, err;
- /* both PCM and MIDI interfaces have 2 altsettings */
- if (iface->num_altsetting != 2)
+ /* both PCM and MIDI interfaces have 2 or more altsettings */
+ if (iface->num_altsetting < 2)
return -ENXIO;
alts = &iface->altsetting[1];
altsd = get_iface_desc(alts);
.type = QUIRK_MIDI_FIXED_ENDPOINT,
.data = &ua700_ep
};
- static const struct snd_usb_midi_endpoint_info ua25_ep = {
+ static const struct snd_usb_midi_endpoint_info uaxx_ep = {
.out_cables = 0x0001,
.in_cables = 0x0001
};
- static const struct snd_usb_audio_quirk ua25_quirk = {
+ static const struct snd_usb_audio_quirk uaxx_quirk = {
.type = QUIRK_MIDI_FIXED_ENDPOINT,
- .data = &ua25_ep
+ .data = &uaxx_ep
};
if (chip->usb_id == USB_ID(0x0582, 0x002b))
return snd_usb_create_midi_interface(chip, iface,
&ua700_quirk);
else
return snd_usb_create_midi_interface(chip, iface,
- &ua25_quirk);
+ &uaxx_quirk);
}
if (altsd->bNumEndpoints != 1)
fp->iface = altsd->bInterfaceNumber;
fp->endpoint = get_endpoint(alts, 0)->bEndpointAddress;
fp->ep_attr = get_endpoint(alts, 0)->bmAttributes;
+ fp->datainterval = 0;
fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize);
switch (fp->maxpacksize) {
fp->iface = altsd->bInterfaceNumber;
fp->endpoint = get_endpoint(alts, 0)->bEndpointAddress;
fp->ep_attr = get_endpoint(alts, 0)->bmAttributes;
+ fp->datainterval = parse_datainterval(chip, alts);
fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize);
fp->rate_max = fp->rate_min = combine_triple(&alts->extra[8]);
fp->iface = altsd->bInterfaceNumber;
fp->endpoint = get_endpoint(alts, 0)->bEndpointAddress;
fp->ep_attr = get_endpoint(alts, 0)->bmAttributes;
+ fp->datainterval = parse_datainterval(chip, alts);
fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize);
fp->rate_max = fp->rate_min = combine_triple(&alts->extra[15]);
return snd_usb_cm106_write_int_reg(dev, 2, 0x8004);
}
+/*
+ * C-Media CM6206 is based on CM106 with two additional
+ * registers that are not documented in the data sheet.
+ * Values here are chosen based on sniffing USB traffic
+ * under Windows.
+ */
+static int snd_usb_cm6206_boot_quirk(struct usb_device *dev)
+{
+ int err, reg;
+ int val[] = {0x200c, 0x3000, 0xf800, 0x143f, 0x0000, 0x3000};
+
+ for (reg = 0; reg < ARRAY_SIZE(val); reg++) {
+ err = snd_usb_cm106_write_int_reg(dev, reg, val[reg]);
+ if (err < 0)
+ return err;
+ }
+
+ return err;
+}
/*
* Setup quirks
[QUIRK_MIDI_YAMAHA] = snd_usb_create_midi_interface,
[QUIRK_MIDI_MIDIMAN] = snd_usb_create_midi_interface,
[QUIRK_MIDI_NOVATION] = snd_usb_create_midi_interface,
- [QUIRK_MIDI_RAW] = snd_usb_create_midi_interface,
+ [QUIRK_MIDI_FASTLANE] = snd_usb_create_midi_interface,
[QUIRK_MIDI_EMAGIC] = snd_usb_create_midi_interface,
[QUIRK_MIDI_CME] = snd_usb_create_midi_interface,
[QUIRK_AUDIO_STANDARD_INTERFACE] = create_standard_audio_quirk,
[QUIRK_AUDIO_FIXED_ENDPOINT] = create_fixed_stream_quirk,
- [QUIRK_AUDIO_EDIROL_UA700_UA25] = create_ua700_ua25_quirk,
[QUIRK_AUDIO_EDIROL_UA1000] = create_ua1000_quirk,
[QUIRK_AUDIO_EDIROL_UA101] = create_ua101_quirk,
+ [QUIRK_AUDIO_EDIROL_UAXX] = create_uaxx_quirk
};
if (quirk->type < QUIRK_TYPE_COUNT) {
return -ENXIO;
}
- card = snd_card_new(index[idx], id[idx], THIS_MODULE, 0);
- if (card == NULL) {
+ err = snd_card_create(index[idx], id[idx], THIS_MODULE, 0, &card);
+ if (err < 0) {
snd_printk(KERN_ERR "cannot create card instance %d\n", idx);
- return -ENOMEM;
+ return err;
}
chip = kzalloc(sizeof(*chip), GFP_KERNEL);
goto __err_val;
}
+ /* C-Media CM6206 / CM106-Like Sound Device */
+ if (id == USB_ID(0x0d8c, 0x0102)) {
+ if (snd_usb_cm6206_boot_quirk(dev) < 0)
+ goto __err_val;
+ }
+
/*
* found a config. now register to ALSA
*/
if (err > 0) {
/* create normal USB audio interfaces */
if (snd_usb_create_streams(chip, ifnum) < 0 ||
- snd_usb_create_mixer(chip, ifnum) < 0) {
+ snd_usb_create_mixer(chip, ifnum, ignore_ctl_error) < 0) {
goto __error;
}
}
void *chip;
chip = snd_usb_audio_probe(interface_to_usbdev(intf), intf, id);
if (chip) {
- dev_set_drvdata(&intf->dev, chip);
+ usb_set_intfdata(intf, chip);
return 0;
} else
return -EIO;
static void usb_audio_disconnect(struct usb_interface *intf)
{
snd_usb_audio_disconnect(interface_to_usbdev(intf),
- dev_get_drvdata(&intf->dev));
+ usb_get_intfdata(intf));
}
#ifdef CONFIG_PM
static int usb_audio_suspend(struct usb_interface *intf, pm_message_t message)
{
- struct snd_usb_audio *chip = dev_get_drvdata(&intf->dev);
+ struct snd_usb_audio *chip = usb_get_intfdata(intf);
struct list_head *p;
struct snd_usb_stream *as;
static int usb_audio_resume(struct usb_interface *intf)
{
- struct snd_usb_audio *chip = dev_get_drvdata(&intf->dev);
+ struct snd_usb_audio *chip = usb_get_intfdata(intf);
if (chip == (void *)-1L)
return 0;
static int __init snd_usb_audio_init(void)
{
- if (nrpacks < MIN_PACKS_URB || nrpacks > MAX_PACKS) {
+ if (nrpacks < 1 || nrpacks > MAX_PACKS) {
printk(KERN_WARNING "invalid nrpacks value.\n");
return -EINVAL;
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff